Tablet · Samsung · Galaxy Tab S9 Ultra
Samsung Galaxy Tab S9 Ultra Battery Replacement
Battery Replacement guide for the Samsung Galaxy Tab S9 Ultra
Before you begin
Tools
- Heat gun or hair dryer
- Suction cups
- Guitar picks for prying
- Precision screwdriver set
- Plastic prying tools
- Tweezers
- Anti-static wrist strap
Parts / materials
- Replacement battery for Galaxy Tab S9 Ultra
- Battery adhesive removal strips
- Isopropyl alcohol (90%+)
- Pre-cut display adhesive
Safety
- Wear eye protection to shield against potential glass splinters.
- Do not puncture or bend the Li-ion battery to prevent thermal runaway or fire hazards.
- Disconnect all power sources and ensure the device is completely powered down before working internally.
- Work in a well-ventilated space when using high-concentration isopropyl alcohol.
Overview
Step-by-step
- 1
Power off the tablet completely
1 minPress and hold the Power button, then tap Power Off to ensure the tablet is completely shut down.
- 2
Heat the display perimeter
3 minApply heat using a heat gun or hair dryer around the edges of the display for 2-3 minutes to soften the strong screen adhesive.
- 3
Attach a suction cup
1 minPress a heavy-duty suction cup onto the lower portion of the front glass, near the edge.
- 4
Insert an opening pick
2 minPull up firmly on the suction cup to create a gap between the glass and frame, then slide a plastic opening pick inside.
- 5
Slice around the screen adhesive
5 minSlide the pick gently around all four sides of the display to break the adhesive bond, keeping the pick shallow to avoid damaging flex cables.
- 6
Lift the display open
2 minSlowly swing the display open from the right side, leaning it against a stable object so you do not strain the ribbon cables.
- 7
Unscrew the display bracket
2 minUse a Phillips #00 screwdriver to remove the small screws holding the metal bracket over the display connectors.
- 8
Disconnect the display flex cables
2 minPry the display connectors straight up from the motherboard using a plastic spudger.
- 9
Remove the screen assembly
1 minLift the display assembly free from the body and set it carefully on a clean, soft surface.
- 10
Unscrew the motherboard protective shield
3 minRemove the Phillips #00 screws holding down the main board shield covering the internal components.
- 11
Remove the mainboard shield
1 minUse tweezers to lift the metal shield out of the chassis and expose the battery connection.
- 12
Disconnect the battery cable
1 minLever the battery press-connector off the motherboard using a plastic prying tool.
- 13
Apply isopropyl alcohol around the battery
2 minDrip high-concentration isopropyl alcohol around the edges of the battery cells to dissolve the adhesive underneath.
- 14
Pry up the old battery
4 minInsert a wide plastic pry tool beneath the battery edges and slowly lift until the battery separates from the chassis.
- 15
Remove the old battery
1 minLift the discharged battery out of the frame and place it in a safe, fire-proof area.
- 16
Clean old adhesive from frame
3 minScrape off residual adhesive from the battery bay and chassis frame using a plastic spudger and alcohol wipes.
- 17
Apply new battery adhesive
2 minPlace replacement battery adhesive strips evenly into the battery bay in the chassis.
- 18
Install the replacement battery
2 minSet the new battery firmly into the bay, press down to adhere, and attach its connector to the motherboard socket.
After your Samsung Galaxy Tab S9 Ultra battery replacement
Power the Galaxy Tab S9 Ultra back on and test the battery replacement function before you put every screw away. Check touch/display response, charging, cameras, buttons, and wireless as relevant to this repair. If something fails after closing the device, reopen carefully and reseat the connectors for this Samsung Galaxy Tab S9 Ultra job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.
Prefer a professional repair?
Book Samsung Galaxy Tab S9 Ultra battery replacement at LML Repair in Seattle — same-day options available.

